21094540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22441}}^1$

素因数の和:22497

約数の個数: 24

約数和(自身を含む): 45243072

約数和(自身を除く): 24148532

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22441, 44882, 89764, 112205, 224410, 448820, 1054727, 2109454, 4218908, 5273635, 10547270, 21094540]

約数ペア:

[(1, 21094540), (2, 10547270), (4, 5273635), (5, 4218908), (10, 2109454), (20, 1054727), (47, 448820), (94, 224410), (188, 112205), (235, 89764), (470, 44882), (940, 22441)]